package com.free.front.bf.product;

import com.free.utils.DateUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.net.ssl.*;
import java.io.*;
import java.net.URL;
import java.security.*;
import java.security.cert.CertificateException;
import java.util.List;
import java.util.Map;
import java.util.UUID;

@Component
public class JksBf {


    @Value(value = "${sys.jks.root}")
    private String jksPath;

    @Value(value = "${sys.jks.name}")
    private String jksName;

    @Value(value = "${sys.jks.pass}")
    private String jksPass;

    @Value(value = "${sys.tst.name}")
    private String tstName;

    @Value(value = "${sys.tst.pass}")
    private String tstPass;

    private SSLContext sslContext;


    /**
     * 向指定URL发送GET方法的请求
     *
     * @param url
     *            发送请求的URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     *
     */
    public String sendGet(String url, String param) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url;
            if (param != null) {
                urlNameString = url + "?" + param;
            }
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            HttpsURLConnection connection = (HttpsURLConnection) realUrl.openConnection();
            HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }
            });
            // 打开和URL之间的连接
            connection.setSSLSocketFactory(getSSLContext().getSocketFactory());
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应

            if (connection.getResponseCode() == 200) {
                in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            } else {
                in = new BufferedReader(new InputStreamReader(connection.getErrorStream()));
            }
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }

        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            System.out.println(
                    "host=" + realUrl.getHost() + "\n;port=" + realUrl.getPort() + "\n;path=" + realUrl.getPath());
            // 打开和URL之间的连接
            HttpsURLConnection conn = (HttpsURLConnection) realUrl.openConnection();
            // 打开和URL之间的连接
            conn.setSSLSocketFactory(getSSLContext().getSocketFactory());
            // 设置通用的请求属性
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            conn.setRequestProperty("accept", "application/json");
            conn.setRequestMethod("POST");
            conn.setRequestProperty("Content-Type", "application/josn");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            String timeStr = DateUtils.now(DateUtils.FormatEnum.yyyy_MM_dd_HH_mm_ss);
            timeStr = timeStr.replace(" ","T");
            conn.setRequestProperty("X-SGM-MSG-TS",timeStr);
            conn.setRequestProperty("X-SGM-MSG-ID", UUID.randomUUID().toString());
            conn.setRequestProperty("X-SGM-FROM-SYS-ID","DELCO");
            conn.setRequestProperty("X-SGM-TO-SYS-ID","PQMS");;
            // 获取URLConnection对象对应的输出流
            OutputStream os = conn.getOutputStream();
            out = new PrintWriter(os);
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            System.out.println(conn.getResponseCode());
            if (conn.getResponseCode() == 200) {
                in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            } else {
                in = new BufferedReader(new InputStreamReader(conn.getErrorStream()));
            }
            String line = "";
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }

    public SSLContext getSSLContext() {
        long time1 = System.currentTimeMillis();
        if (sslContext == null) {
            try {
                KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
                kmf.init(getkeyStore(), jksPass.toCharArray());
                KeyManager[] keyManagers = kmf.getKeyManagers();

                TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance("SunX509");
                trustManagerFactory.init(getTrustStore());
                TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();

                sslContext = SSLContext.getInstance("TLSv1");
                sslContext.init(keyManagers, trustManagers, new SecureRandom());
                System.out.println(sslContext.getProtocol() + "NNNNN:" + sslContext.getProvider().toString());
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (NoSuchAlgorithmException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (UnrecoverableKeyException e) {
                e.printStackTrace();
            } catch (KeyStoreException e) {
                e.printStackTrace();
            } catch (KeyManagementException e) {
                e.printStackTrace();
            }
        }
        long time2 = System.currentTimeMillis();
        System.out.println("SSLContext 初始化时间：" + (time2 - time1));
        return sslContext;
    }

    public KeyStore getkeyStore() {
        KeyStore keySotre = null;
        try {
            // keySotre = KeyStore.getInstance("PKCS12");
            keySotre = KeyStore.getInstance("JKS");
            String keyStoreFile = jksPath + jksName;
            FileInputStream fis = new FileInputStream(new File(keyStoreFile));
            keySotre.load(fis, jksPass.toCharArray());
            fis.close();
        } catch (KeyStoreException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (CertificateException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return keySotre;
    }

    public KeyStore getTrustStore() throws IOException {
        KeyStore trustKeyStore = null;
        FileInputStream fis = null;
        try {
            trustKeyStore = KeyStore.getInstance("JKS");
            String trustFile = jksPath + tstName;
            fis = new FileInputStream(new File(trustFile));
            trustKeyStore.load(fis, tstPass.toCharArray());
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (KeyStoreException e) {
            e.printStackTrace();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (CertificateException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            fis.close();
        }
        return trustKeyStore;
    }

//    public static void main(String[] args) throws Exception {
//        // add();
////        System.setProperty("javax.net.debug", "ssl,handshake,record");
////        Long time1 = System.currentTimeMillis();
////        int k = 0;
////        String result = sendPost("https://b2bqa.api.saic-gm.com/pqms/PQMS_FW_QUERY", param);
////        System.out.println("result+" + result);
////        Long time2 = System.currentTimeMillis();
////        System.out.println("平均耗费时间:" + (time2 - time1) / ++k);
//    }

}
